Adjustable lighting fixture



FIG. 1 is a perspective view of the claimed design;

FIG. 2 is a front elevation view of FIG. 1;

FIG. 3 is a back elevation view of FIG. 1;

FIG. 4 is a top plan view of FIG. 1;

FIG. 5 is a bottom plan view of FIG. 1;

FIG. 6 is a right side view of FIG. 1; and,

FIG. 7 is a left side view of FIG. 1.

The broken lines shown in the drawings illustrating portions of the adjustable lighting fixture form no part of the claimed design. 

CLAIM The ornamental design for an adjustable lighting fixture, as shown and described. 